Container base



FIG. 1 is a perspective view of a container base according to a first embodiment of the present invention.

FIG. 2 is a bottom view of a container base according to a first embodiment of the present invention.

FIG. 3 is a perspective view of a container base according to a second embodiment of the present invention.

FIG. 4 is a bottom view of a container base according to a second embodiment of the present invention.

FIG. 5 is a perspective view of a container base according to a third embodiment of the present invention; and,

FIG. 6 is a bottom view of a container base according to a third embodiment of the present invention.

Features shown in broken lines are environment only and not part of the claimed design. 

The ornamental design for a container base, as shown and described. 